North Shore City is a former territorial authority district in the Auckland region of New Zealand, which was governed by the North Shore City Council from 1989 until 2010, when it was incorporated into Auckland Council. The city had an estimated population of 229,000 at 30 June 2010, making it the fourth most populous city in New Zealand prior to the November 2010 reorganisation. The former city was also the country's fourth largest city in land, with an area of 129.81 square kilometres and a coastline of 141 kilometres.